Many models postulate a continuum of agents of finitely many different types who are repeatedly randomly matched in pairs to perform certain activities (e.g. play a game) which may in turn make their types change. The random matching process is usually left unspecified, and some Law of Large Numbers is informally invoked to justify a deterministic approximation of the resulting stochastic system. Nevertheless, it is well-know that such laws of large numbers may not hold in this framework. This work shows that there exist random matching processes over a continuum of agents satisfying properties which are sufficient to simplify the analysis of the stochastic system. Moreover, the evolution of the population frequencies of types induced by this system can be described (almost surely) through a set of deterministic equations.
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Paper provided by Instituto Valenciano de Investigaciones Económicas, S.A. (Ivie) in its series Working Papers. Serie AD with number
1998-08.
References listed on IDEAS Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.:
Akihiko Matsui & Kiminori Matsuyama, 1990.
"An Approach to Equilibrium Selection,"
Discussion Papers
970, Northwestern University, Center for Mathematical Studies in Economics and Management Science.
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Akihiko Matsui & Kiminori Matsuyama, 1991.
"An Approach to Equilibrium Selection,"
Discussion Papers
1065, Northwestern University, Center for Mathematical Studies in Economics and Management Science.
[Downloadable!]
Itzhak Gilboa & Akihiko Matsui, 1990.
"A Model of Random Matching,"
Discussion Papers
887, Northwestern University, Center for Mathematical Studies in Economics and Management Science.
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Cited by: (explanations, Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.)
repec:bep:theadv:v:4:y:2004:i:1:p:1157-1157 is not listed on IDEAS
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Francesco Squintani, 1999.
"Games with Small Forgetfulness,"
Discussion Papers
1273, Northwestern University, Center for Mathematical Studies in Economics and Management Science.
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